Product Description
Product Description
Track Roller Bearings are designed to run on all types of tracks and to be used in cam drives, conveyor systems, etc.
Track Roller Bearings are either of heavy-duty cylindrical roller, needle bearing or ball bearing construction. Support Rollers are based on cylindrical or needle rollers.
Applications Of Track Roller Bearings
- Metals
- Mining, mineral processing and cement
- Railways
- Material handling
- Agriculture
- Construction
Versions Of Track Roller Bearings
Support Rollers Without Flange Rings, Without An Inner Ring
- RSTO Series
- RNA Series
Support Rollers Without Flange Rings, With An Inner Ring
- STO Series
- NA Series
Support Rollers With Flange Rings, With An Inner Ring
- NATR Series
- NATV Series
- PWTR Series
- NUTR Series
- NAST Series
- CYR Series
Cam Followers
- KR,KRE,KRV,KRVE Series
- NUKR,NUKRE Series
- PWKR,PWKRE Series
- CF,CFE,CFH Series
Product Parameters
Technical specification
NATV series Yoke type track rollers can support high radial loads and axial loads arising from misalignments and skewed running and suitable for cam drives, slideways, conveying equipment, etc.
The bearings are available in open and sealed versions (suffix PP).
Metric series, with full complement needle rollers design, available with cylindrical OD (suffix X).
| Bearing No. | Dimensions (mm) | Basic Load Rating (KN) | Limited Speed | Mass | |||||||
| Shield Type | Sealed Type | d | D | C | B | d1 | r min | C | Co | rpm | kg |
| NATV 5 | NATV 5 PP | 5 | 16 | 11 | 12 | 12 | 0.15 | 3.88 | 5.20 | 3040 | 0.015 |
| NATV 6 | NATV 6 PP | 6 | 19 | 11 | 12 | 14 | 0.15 | 4.40 | 6.32 | 2480 | 0.571 |
| NATV 8 | NATV 8 PP | 8 | 24 | 14 | 15 | 19 | 0.30 | 6.24 | 9.12 | 2000 | 0.042 |
| NATV 10 | NATV 10 PP | 10 | 30 | 14 | 15 | 23 | 0.60 | 7.60 | 11.68 | 1680 | 0.065 |
| NATV 12 | NATV 12 PP | 12 | 32 | 14 | 15 | 25 | 0.60 | 7.76 | 12.32 | 1440 | 0.072 |
| NATV 15 | NATV 15 PP | 15 | 35 | 18 | 19 | 27 | 0.60 | 10.24 | 18.40 | 1280 | 0.105 |
| NATV 17 | NATV 17 PP | 17 | 40 | 20 | 21 | 32 | 1.00 | 11.84 | 21.20 | 1120 | 0.152 |
| NATV 20 | NATV 20 PP | 20 | 47 | 24 | 25 | 37 | 1.00 | 16.48 | 33.60 | 1040 | 0.254 |
| NATV 25 | NATV 25 PP | 25 | 52 | 24 | 25 | 42 | 1.00 | 16.40 | 35.20 | 800 | 0.285 |
| NATV 30 | NATV 30 PP | 30 | 62 | 28 | 29 | 51 | 1.00 | 24.40 | 49.60 | 680 | 0.481 |
| NATV 35 | NATV 35 PP | 35 | 72 | 28 | 29 | 58 | 1.10 | 26.40 | 58.40 | 600 | 0.647 |
| NATV 40 | NATV 40 PP | 40 | 80 | 30 | 32 | 66 | 1.10 | 32.80 | 72.00 | 520 | 0.890 |
| NATV 50 | NATV 50 PP | 50 | 90 | 30 | 32 | 76 | 1.10 | 32.40 | 74.40 | 440 | 0.990 |
Our Advantages
1. We have over 10 years’ experience.
2. OEM or Non-Standard Bearings: Any requirement for Non-standard bearings is easily fulfilled by us due to our vast knowledge and links in the industry.
3. After Sales Service and Technical Assistance: Our company provides after-sales service and technical assistance as per the customer’s requirements and needs.
4. Quick Delivery: Our company provides just-in-time delivery with our streamlined supply chain.
5.We attend promptly to any customer questions. We believe that if our customers are satisfied then it proves our worth. Our customers are always given quick support.
Please contact us immediately if you have any questions.
Related Products
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Single |
| Material: | Bearing Steel |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

Can you explain the maintenance and lubrication requirements for track bearings?
Maintenance and lubrication are essential aspects of ensuring the optimal performance and longevity of track bearings. Proper maintenance practices and appropriate lubrication help minimize wear, reduce friction, prevent corrosion, and extend the service life of the bearings. Here’s an explanation of the maintenance and lubrication requirements for track bearings:
Maintenance Requirements:
- Cleanliness: It is crucial to maintain a clean operating environment for track bearings. Regularly remove dirt, dust, and debris from the track and bearing surfaces to prevent contamination, which can lead to premature wear and damage.
- Inspection: Periodically inspect the track bearings for signs of wear, damage, or misalignment. Check for excessive play, noise, or roughness during operation. If any issues are detected, take appropriate measures such as bearing replacement or realignment to ensure optimal performance.
- Tightening and Fasteners: Check the tightness of fasteners, such as bolts or screws, that secure the track bearings. Loose fasteners can lead to misalignment or instability. Ensure that all fasteners are properly tightened according to the manufacturer’s specifications.
- Track Alignment: Proper track alignment is crucial for smooth and efficient operation of track bearings. Regularly check the alignment of the track or guide rails and make necessary adjustments to maintain proper alignment, minimizing excessive loads and wear on the bearings.
- Load Limits: Adhere to the specified load limits for the track bearings. Exceeding the recommended load capacity can cause premature wear and failure. Consider the dynamic and static load ratings of the bearings to ensure they are not subjected to excessive loads that can compromise their performance.
Lubrication Requirements:
- Proper Lubricant Selection: Select the appropriate lubricant based on the operating conditions, such as temperature, load, and speed. Consult the manufacturer’s recommendations or seek expert advice to ensure the lubricant’s compatibility with the track bearings and the specific application.
- Regular Lubrication: Follow a regular lubrication schedule as recommended by the manufacturer. This may involve applying lubricant at specified intervals or based on the operating hours. Adequate lubrication helps minimize friction, reduce wear, and maintain proper functioning of the track bearings.
- Correct Lubrication Method: Apply the lubricant using the appropriate method, whether it’s manual greasing, automatic lubrication systems, or specialized lubrication techniques. Ensure that the lubricant reaches all necessary contact points and provides sufficient coverage to the bearing surfaces.
- Monitoring and Replenishment: Monitor the lubricant levels regularly and replenish as needed. In some cases, track bearings may have built-in lubrication systems that require periodic refilling or maintenance. Keep track of the lubricant condition and replace it when it becomes contaminated or degraded.
- Environmental Considerations: Consider the operating environment when selecting the lubricant. Extreme temperatures, exposure to moisture, or the presence of chemicals or contaminants may require special lubricants that can withstand these conditions and provide effective protection and lubrication.
It is important to consult the manufacturer’s guidelines and recommendations specific to the track bearings being used. Following the recommended maintenance and lubrication practices ensures optimal performance, reduces the risk of premature failure, and maximizes the overall lifespan of the track bearings.

How do track bearings contribute to the precision, accuracy, and reliability of motion control systems?
Track bearings play a crucial role in enhancing the precision, accuracy, and reliability of motion control systems. They provide several key contributions that ensure smooth and consistent linear motion. Here’s a detailed explanation:
- Precision Guidance: Track bearings offer precise guidance for linear motion systems. They are designed with close tolerances and accurate geometries, allowing for accurate positioning and control of the moving components. This precision guidance ensures that the desired motion is achieved with minimal deviation or error.
- Smooth and Consistent Motion: By minimizing friction and providing smooth rolling or sliding surfaces, track bearings enable smooth and consistent motion in motion control systems. They reduce the effects of irregularities, misalignments, or vibrations, resulting in smoother operation and improved accuracy.
- Repeatable Performance: Track bearings provide repeatable performance in motion control systems. They offer consistent and predictable motion characteristics, allowing for precise and repeatable positioning of the moving components. This repeatability is essential in applications that require high accuracy and consistency, such as CNC machining, semiconductor manufacturing, and precision measurement systems.
- Load Distribution: Track bearings distribute the load evenly along their length, helping to minimize stress concentrations on specific components. This even load distribution improves the overall stability and reliability of the motion control system. It reduces the risk of component failure, deformation, or excessive wear, contributing to enhanced system reliability.
- Minimized Play and Backlash: Track bearings are designed to minimize play and backlash, which are undesirable movements or clearances between components. Play and backlash can introduce inaccuracies and reduce the precision of motion control systems. Track bearings with tight tolerances and optimized designs help minimize these undesirable effects, ensuring precise and accurate motion.
- Stiffness and Rigidity: Track bearings provide stiffness and rigidity to the motion control system. They resist deflection and maintain their shape under load, minimizing any unwanted flexing or bending. This stiffness enhances the overall stability and precision of the system, allowing for precise control and accurate motion even under varying loads or external forces.
- Resistance to Contamination: Track bearings are often equipped with seals or shields to protect against contaminants such as dirt, dust, or liquids. This protection helps maintain the precision and reliability of the motion control system by preventing the ingress of particles that could interfere with the smooth operation of the bearings or cause premature wear and failure.
By incorporating track bearings into motion control systems, industries can benefit from improved precision, accuracy, and reliability. Whether it’s achieving precise positioning, ensuring consistent and repeatable motion, minimizing play and backlash, or providing reliable load distribution, track bearings contribute to the overall performance and integrity of motion control systems.

Can you describe the load-carrying capacity and load ratings of track bearings?
Track bearings are designed to withstand and carry various types of loads while maintaining smooth and controlled motion along a track or guide rail. The load-carrying capacity and load ratings of track bearings are crucial factors to consider when selecting the appropriate bearing for a specific application. Let’s delve into these concepts:
Load-Carrying Capacity:
The load-carrying capacity of a track bearing refers to its ability to support and distribute the applied loads without excessive deformation or failure. It is influenced by several factors, including the bearing’s design, materials, and operating conditions. The load-carrying capacity is typically specified in terms of static load capacity and dynamic load capacity.
The static load capacity indicates the maximum load that a track bearing can support without permanent deformation. It is determined by the bearing’s internal geometry, material strength, and the contact area between the rolling elements and raceways. Static loads are those that do not cause relative motion between the bearing and the track, such as when the bearing is stationary or subjected to a constant load.
The dynamic load capacity represents the maximum load that a track bearing can handle while still allowing smooth rolling motion. It takes into account the bearing’s ability to handle both radial and axial loads and considers factors such as the bearing’s internal clearance, lubrication, and operating speed. Dynamic loads are those that cause relative motion between the bearing and the track, such as when the bearing is subjected to varying loads or subjected to motion along the track.
Load Ratings:
Load ratings provide standardized values that indicate the maximum allowable loads for track bearings based on industry standards. These load ratings are commonly provided by bearing manufacturers and help users select the appropriate bearing for their specific application requirements. The two primary load ratings used for track bearings are the radial load rating and the axial load rating.
The radial load rating specifies the maximum radial load that a track bearing can withstand while maintaining proper performance and service life. It is expressed as a static load rating and a dynamic load rating. The static radial load rating indicates the maximum radial load that the bearing can support without permanent deformation, while the dynamic radial load rating represents the maximum radial load that the bearing can handle under typical operating conditions.
The axial load rating indicates the maximum axial load that a track bearing can withstand without excessive deformation or failure. It considers the applied axial force in the direction perpendicular to the track or guide rail. The axial load rating is typically provided as a static load rating and a dynamic load rating.
It’s important to note that load ratings are based on specific operating conditions, such as a certain speed, lubrication, and temperature. It is necessary to consider the actual operating conditions and factors such as shock loads, vibrations, and misalignments when applying load ratings to real-world applications.
By understanding the load-carrying capacity and load ratings of track bearings, engineers and designers can make informed decisions to ensure reliable and safe performance of the bearings in their applications.


editor by CX 2024-02-23